dns2.tankbar.com has no MX records.
Question and response
Question
dig dns2.tankbar.com. MX
Answer
The response has no answer records.
Authority
dns2.tankbar.com. 3600 SOA dns2.tankbar.com. hostmaster.tankbar.com. 2022041309 900 600 86400 3600
Additional
. 0 OPT ; payload 4000, xrcode 0, version 0, flags 0